Helmet respirator



FIG. 1 is a perspective view of a helmet respirator showing my newdesign with the visor shown in raised condition;

FIG. 2 is a front perspective view thereof, with a filter cartridgedetached for ease of illustration;

FIG. 3 is a front perspective view thereof, shown with the filterattached;

FIG. 4 is a perspective view thereof, shown with the visor in loweredcondition;

FIG. 5 is a front perspective view thereof, shown with the visor inraised condition;

FIG. 6 is a rear perspective view thereof, shown with the filterattached;

FIG. 7 is a rear perspective view thereof, shown with the filterdetached;

FIG. 8 is a bottom perspective view thereof, shown with the filterattached, the internal features forming no part of the design; and,

FIG. 9 is a bottom perspective view thereof, shown with the filterdetached, the internal features forming no part of the design.

The broken line showing of the head detail and the portions of thefigures shown in broken lines are for illustrative purposes only andforms no part of the claimed design.

The ornamental design for a helmet respirator, as shown and described.